#!/usr/local/bin/python3
birthdays = {'Alice': 'Apr 1', 'Bob': 'Dec 12', 'Carol': 'Mar 4'}

while True:
       print('Enter a name: (blank to quit)')
       name = input()
       if name == '':
           break
if name in birthdays:
       print(birthdays[name] + 'is the birthday of' + name)
else:
       print('I do not have birthday information for ' + name)
       print('What is their birthday?')
       bday = input()
         birthdays[name] = bday
       print('Birthday database updated.')